docs: def get_values(self, field_name: str) -> List[object]:
          """
          Get a list of all the values of a field.
  
          Args:
              field_name:
  
          Returns: the list of values (not the keys)
  
          """
          result = list()
          if self.validate_field(field_name):
              for value_key in self._kg.get(field_name):
                  result.append(value_key["value"])
          return result